<?hh // strict
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the "hack" directory of this source tree.
 *
 *
 */

function f1(string $s): void {}

function foo(ConstMap<string, string> $v): void {
  f1($v["xyz"]);
}
